diff --git a/README.md b/README.md
index b05cf2b..007ca43 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@
 {
     "SecretId": "SecretId", // 腾讯云API密钥ID
     "SecretKey": "SecretKey", // 腾讯云API密钥Key
-    "GetIPAPI": "IPIP", // 获取IP的API，选填 LanceAPI 或 IPIP
+    "GetIPAPI": "IPIP", // 获取IP的API，选填 LanceAPI IPIP SB
     "InstanceId": "InstanceId", // 服务器的实例ID
     "InstanceRegion": "InstanceRegion", // 服务器的地域，参见下文附录
     "MaxRetries": "3", // 获取IP地址时出现错误的最大重试次数
@@ -86,7 +86,8 @@ https://api.lance.fun/ip/
 IPIP // 推荐在中国大陆使用
 https://myip.ipip.net/ip
 
-
+SB // 全球通用 但效率较慢
+https://api-ipv4.ip.sb/ip
 ```
 
 > 更多IP正在适配中
\ No newline at end of file
diff --git a/main.go b/main.go
index 291b709..460e563 100644
--- a/main.go
+++ b/main.go
@@ -9,6 +9,7 @@ import (
 	"os"
 	"reflect"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common"
@@ -18,7 +19,7 @@ import (
 )
 
 var (
-	version    = " Development"
+	version    = "Development"
 	httpClient = &http.Client{
 		Timeout: time.Second * 10,
 	}
@@ -121,7 +122,7 @@ func getconfig() Config {
 	if !checkPassing {
 		os.Exit(1)
 	}
-	fmt.Printf("Config load successfully\n")
+	fmt.Printf("Config loaded\n")
 	return configData
 }
 
@@ -129,6 +130,7 @@ func getip(api string, maxretries int) string {
 	if api == "LanceAPI" {
 		for i := 0; i < maxretries; i++ {
 			req, _ := http.NewRequest("GET", "https://api.lance.fun/ip", nil)
+			req.Header.Set("User-Agent", "QCIP")
 			resp, err := httpClient.Do(req)
 			if err != nil {
 				fmt.Printf("IP API call failed, retrying %d time...\n", i+1)
@@ -144,6 +146,7 @@ func getip(api string, maxretries int) string {
 	} else if api == "IPIP" {
 		for i := 0; i < maxretries; i++ {
 			req, _ := http.NewRequest("GET", "https://myip.ipip.net/ip", nil)
+			req.Header.Set("User-Agent", "QCIP")
 			resp, err := httpClient.Do(req)
 			if err != nil {
 				fmt.Printf("IP API call failed, retrying %d time...\n", i+1)
@@ -162,6 +165,23 @@ func getip(api string, maxretries int) string {
 		}
 		fmt.Printf("IP API call failed %d times, exiting...\n", maxretries)
 		os.Exit(1)
+	} else if api == "SB" {
+		for i := 0; i < maxretries; i++ {
+			req, _ := http.NewRequest("GET", "https://api-ipv4.ip.sb/ip", nil)
+			req.Header.Set("User-Agent", "QCIP")
+			resp, err := httpClient.Do(req)
+			if err != nil {
+				fmt.Printf("IP API call failed, retrying %d time...\n", i+1)
+				time.Sleep(1 * time.Second)
+			} else {
+				defer resp.Body.Close()
+				ipo, _ := io.ReadAll(resp.Body)
+				ip := strings.TrimRight(string(ipo), "\n")
+				return ip
+			}
+		}
+		fmt.Printf("IP API call failed %d times, exiting...\n", maxretries)
+		os.Exit(1)
 	} else {
 		fmt.Printf("Error: IP API %s not supported\n", api)
 		os.Exit(1)
@@ -233,6 +253,7 @@ func modifyrules(credential *common.Credential, InstanceRegion string, InstanceI
 	_, err := client.ModifyFirewallRules(request)
 	if _, ok := err.(*errors.TencentCloudSDKError); ok {
 		fmt.Printf("An API error has returned: %s\n", err)
+		os.Exit(1)
 		return
 	}
 	if err != nil {